Question: What weapon family starts with the letter "u"?
Paraphrase: What weapon family begins with the letter "u"?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q15142889 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'u')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: under-barrel grenade launcher, under-barrel grenade launcher, UR-200, UR-200